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Fluid Antenna System Empowering 5G NR

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arxiv 2503.05384 v1 pith:YXWTDUKZ submitted 2025-03-07 eess.SP

Hanjiang Hong , Kai-Kit Wong , Haoyang Li , Hao Xu , Han Xiao , Hyundong Shin , Kin-Fai Tong , Yangyang Zhang This is my paper · ORCID
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keywords communicationssystemwidebandantennachannelsfluidframeworkofdm
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Fluid antenna system (FAS) is an emerging technology that uses the new form of shape- and position-reconfigurable antennas to empower the physical layer for wireless communications. Prior studies on FAS were however limited to narrowband channels. Motivated by this, this paper addresses the integration of FAS in the fifth generation (5G) orthogonal frequency division multiplexing (OFDM) framework to address the challenges posed by wideband communications. We propose the framework of the wideband FAS OFDM system that includes a novel port selection matrix. Then we derive the achievable rate expression and design the adaptive modulation and coding (AMC) scheme based on the rate. Extensive link-level simulation results demonstrate striking improvements of FAS in the wideband channels, underscoring the potential of FAS in future wireless communications.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Fluid Antenna System-Assisted Self-Interference Cancellation for In-Band Full Duplex Communications

    cs.IT 2025-06 conditional novelty 6.0 of 10

    A receiver-side fluid antenna that selects the port minimizing the loopback-to-desired channel power ratio delivers 14 to 40 dB self-interference cancellation in in-band full duplex links.

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